Check These Out
tr has some predefined sets of characters that are more convenient to use than characters codes
Shows all block devices in a tree with descruptions of what they are.
This command allows you to see a preview of a picture via the terminal. It can be usefull when you are ssh'ing your server without X-forwarding.
To have en example of the output you can get with this command see http://www.vimeo.com/3721117
Download at http://inouire.net/image-couleur.html
Sources here: http://inouire.net/archives/image-couleur_source.tar.gz
Uses date to grep de logfile for today and uses it to get the last hour logs. Can be used to get last minute logs or today's logs.
You might want to secure your AWS operations requiring to use a MFA token. But then to use API or tools, you need to pass credentials generated with a MFA token.
This commands asks you for the MFA code and retrieves these credentials using AWS Cli. To print the exports, you can use:
`awk '{ print "export AWS_ACCESS_KEY_ID=\"" $1 "\"\n" "export AWS_SECRET_ACCESS_KEY=\"" $2 "\"\n" "export AWS_SESSION_TOKEN=\"" $3 "\"" }'`
You must adapt the command line to include:
* $MFA_IDis ARN of the virtual MFA or serial number of the physical one
* TTL for the credentials
Creates a full snapshot of your current vim session, including tabs, open buffers, cursor positions, everything. Can be resumed with vim -S . Useful for those times when you HAVE to close vim, but you don't want to lose all your hard-opened buffers and windows. The ! will cause vim to overwrite the file if it already exists. It is not necessary, but useful if you frequently save to the same file (like session.vim or something).
This lists all the files in a folder, then finds the commit date for them one by one, then sorts them from newest to oldest
look at /boot/grub/menu.lst for somethig like:
## additional options to use with the default boot option, but not with the
## alternatives
## e.g. defoptions=vga=791 resume=/dev/hda5
## defoptions=vga=795
# defoptions=vga=873
## altoption boot targets option
## multiple altoptions lines are allowed
## e.g. altoptions=(extra menu suffix) extra boot options
## altoptions=(recovery) single
# altoptions=(verbose mode) vga=775 debug
# altoptions=(console mode) vga=ask
# altoptions=(graphic mode) quiet splash
# altoptions=(recovery mode) single
vga=(decimal value) is framebuffer mode
if you haven't already done so, install lame and flac:
sudo apt-get install lame flac
Uses parallel processing
Reiteration of my earlier command
https://www.commandlinefu.com/commands/view/15246/convert-entire-music-library
Usage
lc Old_Directory New_DIrectory Old_Format New_Format
lc ~/Music ~/Music_ogg mp3 ogg
